$\begin{array}{l} \text{Gegeben:}\\\text{Winkel gamma} \qquad \gamma \qquad [^{\circ}] \\ \text{Länge der Seite} \qquad b \qquad [m] \\ \text{Länge der Seite} \qquad a \qquad [m] \\ \\ \text{Gesucht:} \\\text{Fläche} \qquad A \qquad [m^{2}] \\ \\ A =\frac{1}{2}\cdot a\cdot b\cdot sin(\gamma)\\ \textbf{Gegeben:} \\ \gamma=100^{\circ} \qquad b=1\frac{2}{3}m \qquad a=\frac{4}{5}m \qquad \\ \\ \textbf{Rechnung:} \\ A =\frac{1}{2}\cdot a\cdot b\cdot sin(\gamma) \\ \gamma=100^{\circ}\\ b=1\frac{2}{3}m\\ a=\frac{4}{5}m\\ A =\frac{1}{2}\cdot \frac{4}{5}m\cdot 1\frac{2}{3}m\cdot sin(100^{\circ} )\\\\ A=0,657m^{2} \\\\\\ \small \begin{array}{|l|} \hline b=\\ \hline 1\frac{2}{3} m \\ \hline 16\frac{2}{3} dm \\ \hline 166\frac{2}{3} cm \\ \hline 1666\frac{2}{3} mm \\ \hline 1666666\frac{2}{3} \mu m \\ \hline \end{array} \small \begin{array}{|l|} \hline a=\\ \hline \frac{4}{5} m \\ \hline 8 dm \\ \hline 80 cm \\ \hline 800 mm \\ \hline 8\cdot 10^{5} \mu m \\ \hline \end{array} \small \begin{array}{|l|} \hline gamma=\\ \hline 100 ° \\ \hline 6\cdot 10^{3} \text{'} \\ \hline 3,6\cdot 10^{5} \text{''} \\ \hline 111\frac{1}{9} gon \\ \hline 1,75 rad \\ \hline \end{array} \small \begin{array}{|l|} \hline A=\\ \hline 0,657 m^2 \\ \hline 65,7 dm^2 \\ \hline 6,57\cdot 10^{3} cm^2 \\ \hline 6,57\cdot 10^{5} mm^2 \\ \hline 0,00657 a \\ \hline 6,57\cdot 10^{-5} ha \\ \hline \end{array} \end{array}$